package com.hit.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.hit.commonUtils.R;
import com.hit.serviceBase.exceptionHandler.MyException;
import com.hit.vod.service.VodService;
import com.hit.vod.utils.ConstantVodUtils;
import com.hit.vod.utils.InitVodClient;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {

    @Override
    public String uploadVideo(MultipartFile file) {
        try{
            String fileName=file.getOriginalFilename();//文件名称
            String title=fileName.substring(0,fileName.lastIndexOf("."));//上传后显示的名称
            InputStream inputStream= file.getInputStream();
            UploadStreamRequest request=new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID,ConstantVodUtils.ACCESS_KEY_SECRET,title,fileName,inputStream);
            UploadVideoImpl uploader=new UploadVideoImpl();
            UploadStreamResponse response=uploader.uploadStream(request);

            String videoId=null;
            if(response.isSuccess())videoId=response.getVideoId();
            else {//如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId=response.getVideoId();
            }
            return  videoId;
        }catch (Exception e){
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public void removeVideos(List<String> videoList) {
        try{
            //初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            //创建删除视频的request对象
            DeleteVideoRequest request=new DeleteVideoRequest();
            //将videoList的值转换成一个String对象用逗号分隔
            String videoIds=String.join(",",videoList);
            //向request中设置视频id
            request.setVideoIds(videoIds);
            //调用初始化对象的方法实现删除
            client.getAcsResponse(request);
        }catch (Exception e){
            e.printStackTrace();
            throw new MyException(20001,"删除视频失败");
        }
    }
}
